100321033133 has 4 divisors (see below), whose sum is σ = 100608486300. Its totient is φ = 100033579968.

The previous prime is 100321033123. The next prime is 100321033157. The reversal of 100321033133 is 331330123001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 331330123001 = 11497 ⋅28818833.

It can be written as a sum of positive squares in 2 ways, for example, as 54874468009 + 45446565124 = 234253^2 + 213182^2 .

It is a cyclic number.

It is not a de Polignac number, because 100321033133 - 2¹⁸ = 100320770989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100321033123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143726060 + ... + 143726757.

It is an arithmetic number, because the mean of its divisors is an integer number (25152121575).

Almost surely, 2^100321033133 is an apocalyptic number.

It is an amenable number.

100321033133 is a deficient number, since it is larger than the sum of its proper divisors (287453167).

100321033133 is an equidigital number, since it uses as much as digits as its factorization.

100321033133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287453166.

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 100321033133 its reverse (331330123001), we get a palindrome (431651156134).

The spelling of 100321033133 in words is "one hundred billion, three hundred twenty-one million, thirty-three thousand, one hundred thirty-three".